TY  - BOOK
AU  - Saveliev, Nikolai
TI  - Lectures on the topology of 3-manifolds: : an introduction to the Casson invariant 
T2  - De Gruyter textbook
SN  - 3110162717
U1  - 514 
PY  - 1999///
CY  - Berlin
PB  - Walter de Gruyter
ER  -